X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=src%2Fplugins%2Fradar.c;h=00289c5c4e157cd8ea04c5cb18680829f134571b;hb=5761f0ec012080b2f12c5e29a93a97b9a7ede4b4;hp=62d6dc02e8af26a1bad550a6c811b8af299eacbf;hpb=490827dedd73655f2420c790376bf629a8b86403;p=aweather
diff --git a/src/plugins/radar.c b/src/plugins/radar.c
index 62d6dc0..00289c5 100644
--- a/src/plugins/radar.c
+++ b/src/plugins/radar.c
@@ -15,6 +15,8 @@
* along with this program. If not, see .
*/
+#define _XOPEN_SOURCE
+#include
#include
#include
#include
@@ -30,290 +32,531 @@
#include "level2.h"
#include "../aweather-location.h"
-/* Drawing functions */
-static void _draw_hud(GisCallback *callback, gpointer _self)
+void _gtk_bin_set_child(GtkBin *bin, GtkWidget *new)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- if (!self->colormap)
- return;
+ GtkWidget *old = gtk_bin_get_child(bin);
+ if (old)
+ gtk_widget_destroy(old);
+ gtk_container_add(GTK_CONTAINER(bin), new);
+ gtk_widget_show_all(new);
+}
- g_debug("GisPluginRadar: _draw_hud");
- /* Print the color table */
- glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
- glMatrixMode(GL_PROJECTION); glLoadIdentity();
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_ALPHA_TEST);
- glDisable(GL_CULL_FACE);
- glDisable(GL_LIGHTING);
- glEnable(GL_COLOR_MATERIAL);
- glBegin(GL_QUADS);
- int i;
- for (i = 0; i < 256; i++) {
- glColor4ubv(self->colormap->data[i]);
- glVertex3f(-1.0, (float)((i ) - 256/2)/(256/2), 0.0); // bot left
- glVertex3f(-1.0, (float)((i+1) - 256/2)/(256/2), 0.0); // top left
- glVertex3f(-0.9, (float)((i+1) - 256/2)/(256/2), 0.0); // top right
- glVertex3f(-0.9, (float)((i ) - 256/2)/(256/2), 0.0); // bot right
+static gchar *_find_nearest(time_t time, GList *files,
+ gsize offset, gchar *format)
+{
+ g_debug("GisPluginRadar: _find_nearest ...");
+ time_t nearest_time = 0;
+ char *nearest_file = NULL;
+
+ struct tm tm = {};
+ for (GList *cur = files; cur; cur = cur->next) {
+ gchar *file = cur->data;
+ strptime(file+offset, format, &tm);
+ if (ABS(time - mktime(&tm)) <
+ ABS(time - nearest_time)) {
+ nearest_file = file;
+ nearest_time = mktime(&tm);
+ }
}
- glEnd();
+
+ g_debug("GisPluginRadar: _find_nearest = %s", nearest_file);
+ if (nearest_file)
+ return g_strdup(nearest_file);
+ else
+ return NULL;
}
-/***************
- * GUI loading *
- ***************/
-/* Clear the config area */
-static void _load_gui_clear(GisPluginRadar *self)
+/**************
+ * RadarSites *
+ **************/
+typedef enum {
+ STATUS_UNLOADED,
+ STATUS_LOADING,
+ STATUS_LOADED,
+} RadarSiteStatus;
+struct _RadarSite {
+ /* Information */
+ city_t *city;
+ GisMarker *marker; // Map marker for libgis
+ gpointer *marker_ref; // Reference to maker
+
+ /* Stuff from the parents */
+ GisViewer *viewer;
+ GisHttp *http;
+ GisPrefs *prefs;
+ GtkWidget *pconfig;
+
+ /* When loaded */
+ RadarSiteStatus status; // Loading status for the site
+ GtkWidget *config;
+ AWeatherLevel2 *level2; // The Level2 structure for the current volume
+ gpointer level2_ref; // GisViewer reference to the added radar
+
+ /* Internal data */
+ time_t time; // Current timestamp of the level2
+ gchar *message; // Error message set while updating
+ guint time_id; // "time-changed" callback ID
+ guint refresh_id; // "refresh" callback ID
+ guint location_id; // "locaiton-changed" callback ID
+};
+
+/* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
+void _site_update_loading(gchar *file, goffset cur,
+ goffset total, gpointer _site)
{
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child)
- gtk_widget_destroy(child);
+ RadarSite *site = _site;
+ GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(site->config));
+ double percent = (double)cur/total;
+ gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
+ gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
+ percent*100, (double)cur/1000000, (double)total/1000000);
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
+ g_free(msg);
}
+gboolean _site_update_end(gpointer _site)
+{
+ RadarSite *site = _site;
+ if (site->message) {
+ g_warning("GisPluginRadar: _update_end - %s", site->message);
+ _gtk_bin_set_child(GTK_BIN(site->config), gtk_label_new(site->message));
+ } else {
+ _gtk_bin_set_child(GTK_BIN(site->config),
+ aweather_level2_get_config(site->level2));
+ }
+ site->status = STATUS_LOADED;
+ return FALSE;
+}
+gpointer _site_update_thread(gpointer _site)
+{
+ RadarSite *site = _site;
+ g_debug("GisPluginRadar: _update - %s", site->city->code);
+ site->status = STATUS_LOADING;
+ site->message = NULL;
+
+ gboolean offline = gis_viewer_get_offline(site->viewer);
+ gchar *nexrad_url = gis_prefs_get_string(site->prefs,
+ "aweather/nexrad_url", NULL);
+
+ /* Remove old volume */
+ g_debug("GisPluginRadar: _update - remove - %s", site->city->code);
+ if (site->level2_ref) {
+ gis_viewer_remove(site->viewer, site->level2_ref);
+ site->level2_ref = NULL;
+ }
-/* Setup a loading screen in the tab */
-static void _load_gui_pre(GisPluginRadar *self)
+ /* Find nearest volume (temporally) */
+ g_debug("GisPluginRadar: _update - find nearest - %s", site->city->code);
+ gchar *dir_list = g_strconcat(nexrad_url, "/", site->city->code,
+ "/", "dir.list", NULL);
+ GList *files = gis_http_available(site->http,
+ "^K\\w{3}_\\d{8}_\\d{4}$", site->city->code,
+ "\\d+ (.*)", (offline ? NULL : dir_list));
+ g_free(dir_list);
+ gchar *nearest = _find_nearest(site->time, files, 5, "%Y%m%d_%H%M");
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!nearest) {
+ site->message = "No suitable files found";
+ goto out;
+ }
+
+ /* Fetch new volume */
+ g_debug("GisPluginRadar: _update - fetch");
+ gchar *local = g_strconcat(site->city->code, "/", nearest, NULL);
+ gchar *uri = g_strconcat(nexrad_url, "/", local, NULL);
+ gchar *file = gis_http_fetch(site->http, uri, local,
+ offline ? GIS_LOCAL : GIS_UPDATE,
+ _site_update_loading, site);
+ g_free(nexrad_url);
+ g_free(nearest);
+ g_free(local);
+ g_free(uri);
+ if (!file) {
+ site->message = "Fetch failed";
+ goto out;
+ }
+
+ /* Load and add new volume */
+ g_debug("GisPluginRadar: _update - load - %s", site->city->code);
+ site->level2 = aweather_level2_new_from_file(
+ site->viewer, colormaps, file, site->city->code);
+ g_free(file);
+ if (!site->level2) {
+ site->message = "Load failed";
+ goto out;
+ }
+ site->level2_ref = gis_viewer_add(site->viewer,
+ GIS_OBJECT(site->level2), GIS_LEVEL_WORLD, TRUE);
+
+out:
+ g_idle_add(_site_update_end, site);
+ return NULL;
+}
+void _site_update(RadarSite *site)
{
- g_debug("GisPluginRadar: _load_gui_pre");
-
- /* Set up progress bar */
- _load_gui_clear(self);
- GtkWidget *vbox = gtk_vbox_new(FALSE, 10);
- gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);
- self->progress_bar = gtk_progress_bar_new();
- self->progress_label = gtk_label_new("Loading radar...");
- gtk_box_pack_start(GTK_BOX(vbox), self->progress_bar, FALSE, FALSE, 0);
- gtk_box_pack_start(GTK_BOX(vbox), self->progress_label, FALSE, FALSE, 0);
- gtk_container_add(GTK_CONTAINER(self->config_body), vbox);
- gtk_widget_show_all(self->config_body);
+ site->time = gis_viewer_get_time(site->viewer);
+ g_debug("GisPluginRadar: _on_time_changed %s - %d",
+ site->city->code, (gint)site->time);
+
+ /* Add a progress bar */
+ GtkWidget *progress = gtk_progress_bar_new();
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
+ _gtk_bin_set_child(GTK_BIN(site->config), progress);
+
+ /* Fork loading right away so updating the
+ * list of times doesn't take too long */
+ g_thread_create(_site_update_thread, site, FALSE, NULL);
}
-/* Update pogress bar of loading screen */
-static void _load_gui_update(char *path, goffset cur, goffset total, gpointer _self)
+/* RadarSite methods */
+void radar_site_unload(RadarSite *site)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- double percent = (double)cur/total;
+ if (site->status != STATUS_LOADED)
+ return; // Abort if it's still loading
- //g_debug("GisPluginRadar: cache_chunk_cb - %lld/%lld = %.2f%%",
- // cur, total, percent*100);
+ g_debug("GisPluginRadar: radar_site_unload %s", site->city->code);
- gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(self->progress_bar), MIN(percent, 1.0));
+ if (site->time_id)
+ g_signal_handler_disconnect(site->viewer, site->time_id);
+ if (site->refresh_id)
+ g_signal_handler_disconnect(site->viewer, site->refresh_id);
- gchar *msg = g_strdup_printf("Loading radar... %5.1f%% (%.2f/%.2f MB)",
- percent*100, (double)cur/1000000, (double)total/1000000);
- gtk_label_set_text(GTK_LABEL(self->progress_label), msg);
- g_free(msg);
+ /* Remove tab */
+ if (site->config)
+ gtk_widget_destroy(site->config);
+
+ /* Remove radar */
+ if (site->level2_ref) {
+ gis_viewer_remove(site->viewer, site->level2_ref);
+ site->level2_ref = NULL;
+ }
+
+ site->status = STATUS_UNLOADED;
}
-/* Update pogress bar of loading screen */
-static void _load_gui_error(GisPluginRadar *self, gchar *error)
+void radar_site_load(RadarSite *site)
{
- gchar *msg = g_strdup_printf(
- "GisPluginRadar: error loading radar - %s", error);
- g_warning("%s", msg);
- _load_gui_clear(self);
- gtk_container_add(GTK_CONTAINER(self->config_body), gtk_label_new(msg));
- gtk_widget_show_all(self->config_body);
- g_free(msg);
+ g_debug("GisPluginRadar: radar_site_load %s", site->city->code);
+ site->status = STATUS_LOADING;
+
+ /* Add tab page */
+ site->config = gtk_alignment_new(0, 0, 1, 1);
+ GtkWidget *tab = gtk_hbox_new(FALSE, 0);
+ GtkWidget *close = gtk_button_new();
+ GtkWidget *label = gtk_label_new(site->city->name);
+ gtk_container_add(GTK_CONTAINER(close),
+ gtk_image_new_from_stock(GTK_STOCK_CLOSE,
+ GTK_ICON_SIZE_MENU));
+ gtk_button_set_relief(GTK_BUTTON(close), GTK_RELIEF_NONE);
+ g_signal_connect_swapped(close, "clicked",
+ G_CALLBACK(radar_site_unload), site);
+ gtk_box_pack_start(GTK_BOX(tab), label, TRUE, TRUE, 0);
+ gtk_box_pack_end(GTK_BOX(tab), close, FALSE, FALSE, 0);
+ gtk_notebook_append_page(GTK_NOTEBOOK(site->pconfig),
+ site->config, tab);
+ gtk_widget_show_all(site->config);
+ gtk_widget_show_all(tab);
+
+ /* Set up radar loading */
+ site->time_id = g_signal_connect_swapped(site->viewer, "time-changed",
+ G_CALLBACK(_site_update), site);
+ site->refresh_id = g_signal_connect_swapped(site->viewer, "refresh",
+ G_CALLBACK(_site_update), site);
+ _site_update(site);
}
-/* Clear loading screen and add sweep selectors */
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self);
-static void _load_gui_success(GisPluginRadar *self, AWeatherLevel2 *level2)
+void _site_on_location_changed(GisViewer *viewer,
+ gdouble lat, gdouble lon, gdouble elev,
+ gpointer _site)
{
- Radar *radar = level2->radar;
- g_debug("GisPluginRadar: _load_gui_success - %p", radar);
- /* Clear existing items */
- _load_gui_clear(self);
-
- gdouble elev;
- guint rows = 1, cols = 1, cur_cols;
- gchar row_label_str[64], col_label_str[64], button_str[64];
- GtkWidget *row_label, *col_label, *button = NULL, *elev_box = NULL;
- GtkWidget *table = gtk_table_new(rows, cols, FALSE);
-
- for (guint vi = 0; vi < radar->h.nvolumes; vi++) {
- Volume *vol = radar->v[vi];
- if (vol == NULL) continue;
- rows++; cols = 1; elev = 0;
-
- /* Row label */
- g_snprintf(row_label_str, 64, "%s:", vol->h.type_str);
- row_label = gtk_label_new(row_label_str);
- gtk_label_set_use_markup(GTK_LABEL(row_label), TRUE);
- gtk_misc_set_alignment(GTK_MISC(row_label), 1, 0.5);
- gtk_table_attach(GTK_TABLE(table), row_label,
- 0,1, rows-1,rows, GTK_FILL,GTK_FILL, 5,0);
-
- for (guint si = 0; si < vol->h.nsweeps; si++) {
- Sweep *sweep = vol->sweep[si];
- if (sweep == NULL || sweep->h.elev == 0) continue;
- if (sweep->h.elev != elev) {
- cols++;
- elev = sweep->h.elev;
-
- /* Column label */
- g_object_get(table, "n-columns", &cur_cols, NULL);
- if (cols > cur_cols) {
- g_snprintf(col_label_str, 64, "%.2f°", elev);
- col_label = gtk_label_new(col_label_str);
- gtk_label_set_use_markup(GTK_LABEL(col_label), TRUE);
- gtk_widget_set_size_request(col_label, 50, -1);
- gtk_table_attach(GTK_TABLE(table), col_label,
- cols-1,cols, 0,1, GTK_FILL,GTK_FILL, 0,0);
- }
-
- elev_box = gtk_hbox_new(TRUE, 0);
- gtk_table_attach(GTK_TABLE(table), elev_box,
- cols-1,cols, rows-1,rows, GTK_FILL,GTK_FILL, 0,0);
- }
+ static gdouble min_dist = EARTH_R / 20;
+ RadarSite *site = _site;
+
+ /* Calculate distance, could cache xyz values */
+ gdouble eye_xyz[3], site_xyz[3];
+ lle2xyz(lat, lon, elev, &eye_xyz[0], &eye_xyz[1], &eye_xyz[2]);
+ lle2xyz(site->city->pos.lat, site->city->pos.lon, site->city->pos.elev,
+ &site_xyz[0], &site_xyz[1], &site_xyz[2]);
+ gdouble dist = distd(site_xyz, eye_xyz);
+
+ /* Load or unload the site if necessasairy */
+ if (dist <= min_dist && dist < elev*1.25 && site->status == STATUS_UNLOADED)
+ radar_site_load(site);
+ else if (dist > 2*min_dist && site->status != STATUS_UNLOADED)
+ radar_site_unload(site);
+}
+gboolean _site_add_marker(gpointer _site)
+{
+ RadarSite *site = _site;
+ site->marker = gis_marker_new(site->city->name);
+ GIS_OBJECT(site->marker)->center = site->city->pos;
+ GIS_OBJECT(site->marker)->lod = EARTH_R*site->city->lod;
+ site->marker_ref = gis_viewer_add(site->viewer,
+ GIS_OBJECT(site->marker), GIS_LEVEL_OVERLAY, FALSE);
+ return FALSE;
+}
+RadarSite *radar_site_new(city_t *city, GtkWidget *pconfig,
+ GisViewer *viewer, GisPrefs *prefs, GisHttp *http)
+{
+ RadarSite *site = g_new0(RadarSite, 1);
+ site->viewer = g_object_ref(viewer);
+ site->prefs = g_object_ref(prefs);
+ site->http = http;
+ site->city = city;
+ site->pconfig = pconfig;
- /* Button */
- g_snprintf(button_str, 64, "%3.2f", elev);
- button = gtk_radio_button_new_with_label_from_widget(
- GTK_RADIO_BUTTON(button), button_str);
- gtk_widget_set_size_request(button, -1, 26);
- //button = gtk_radio_button_new_from_widget(GTK_RADIO_BUTTON(button));
- //gtk_widget_set_size_request(button, -1, 22);
- g_object_set(button, "draw-indicator", FALSE, NULL);
- gtk_box_pack_end(GTK_BOX(elev_box), button, TRUE, TRUE, 0);
-
- g_object_set_data(G_OBJECT(button), "level2", (gpointer)level2);
- g_object_set_data(G_OBJECT(button), "type", (gpointer)vi);
- g_object_set_data(G_OBJECT(button), "elev", (gpointer)(int)(elev*100));
- g_signal_connect(button, "clicked", G_CALLBACK(_on_sweep_clicked), self);
- }
- }
- gtk_container_add(GTK_CONTAINER(self->config_body), table);
- gtk_widget_show_all(table);
+ /* Add marker */
+ g_idle_add_full(G_PRIORITY_LOW, _site_add_marker, site, NULL);
+
+
+ /* Connect signals */
+ site->location_id = g_signal_connect(viewer, "location-changed",
+ G_CALLBACK(_site_on_location_changed), site);
+ return site;
}
-static gchar *_download_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
+void radar_site_free(RadarSite *site)
{
- g_debug("GisPluginRadar: _download_radar - %s, %s", site, time);
-
- /* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
- gchar *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url", NULL);
- gchar *local = g_strdup_printf("%s/%s_%s", site, site, time);
- gchar *uri = g_strconcat(base, "/", local, NULL);
- GisCacheType mode = gis_viewer_get_offline(self->viewer) ? GIS_LOCAL : GIS_UPDATE;
- gchar *file = gis_http_fetch(self->http, uri, local, mode, _load_gui_update, self);
- g_free(base);
- g_free(local);
- g_free(uri);
- return file;
+ radar_site_unload(site);
+ gis_viewer_remove(site->viewer, site->marker_ref);
+ if (site->location_id)
+ g_signal_handler_disconnect(site->viewer, site->location_id);
+ g_object_unref(site->viewer);
+ g_object_unref(site->prefs);
+ g_free(site);
}
-struct SetRadarData {
- GisPluginRadar *self;
- gchar *site;
- gchar *time;
+
+/**************
+ * RadarConus *
+ **************/
+struct _RadarConus {
+ GisViewer *viewer;
+ GisHttp *http;
+ GtkWidget *config;
+ time_t time;
+ GisTile *tile;
+ gpointer *tile_ref;
+ GdkPixbuf *pixbuf;
+ const gchar *message;
+ gchar *nearest;
+
+ guint time_id; // "time-changed" callback ID
+ guint refresh_id; // "refresh" callback ID
};
-static gpointer _set_radar_cb(gpointer _data)
+
+void _conus_update_loading(gchar *file, goffset cur,
+ goffset total, gpointer _conus)
+{
+ RadarConus *conus = _conus;
+ GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(conus->config));
+ double percent = (double)cur/total;
+ gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
+ gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
+ percent*100, (double)cur/1000000, (double)total/1000000);
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
+ g_free(msg);
+}
+
+gboolean _conus_update_end(gpointer _conus)
{
- g_debug("GisPluginRadar: _set_radar_cb");
- struct SetRadarData *data = _data;
- GisPluginRadar *self = data->self;
-
- gdk_threads_enter();
- _load_gui_pre(self);
- if (self->radar) {
- gis_viewer_remove(self->viewer, self->radar);
- self->radar = NULL;
+ RadarConus *conus = _conus;
+
+ guchar *pixels = gdk_pixbuf_get_pixels(conus->pixbuf);
+ gboolean alpha = gdk_pixbuf_get_has_alpha(conus->pixbuf);
+ gint width = gdk_pixbuf_get_width(conus->pixbuf);
+ gint height = gdk_pixbuf_get_height(conus->pixbuf);
+
+ if (!conus->tile->data) {
+ conus->tile->data = g_new0(guint, 1);
+ glGenTextures(1, conus->tile->data);
}
- gchar *file = _download_radar(self, data->site, data->time);
- if (!file) {
- _load_gui_error(self, "Download failed");
+
+ guint *tex = conus->tile->data;
+ glBindTexture(GL_TEXTURE_2D, *tex);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0,
+ (alpha ? GL_RGBA : GL_RGB), GL_UNSIGNED_BYTE, pixels);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glFlush();
+
+ /* finish */
+ _gtk_bin_set_child(GTK_BIN(conus->config),
+ gtk_label_new(conus->nearest));
+ gtk_widget_queue_draw(GTK_WIDGET(conus->viewer));
+
+ /* free data */
+ g_object_unref(conus->pixbuf);
+ g_free(conus->nearest);
+
+ return FALSE;
+}
+
+gpointer _conus_update_thread(gpointer _conus)
+{
+ RadarConus *conus = _conus;
+
+ /* Find nearest */
+ gboolean offline = gis_viewer_get_offline(conus->viewer);
+ gchar *conus_url = "http://radar.weather.gov/Conus/RadarImg/";
+ GList *files = gis_http_available(conus->http,
+ "^Conus_[^\"]*_N0Ronly.gif$", "",
+ NULL, (offline ? NULL : conus_url));
+ conus->nearest = _find_nearest(conus->time, files, 6, "%Y%m%d_%H%M");
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!conus->nearest) {
+ conus->message = "No suitable files";
goto out;
}
- AWeatherLevel2 *level2 = aweather_level2_new_from_file(
- self->viewer, colormaps, file, data->site);
- if (!level2) {
- _load_gui_error(self, "Loading radar failed");
- //g_remove(file);
+
+ /* Fetch the image */
+ gchar *uri = g_strconcat(conus_url, conus->nearest, NULL);
+ gchar *path = gis_http_fetch(conus->http, uri, conus->nearest, GIS_ONCE,
+ _conus_update_loading, conus);
+ g_free(uri);
+ if (!path) {
+ conus->message = "Fetch failed";
goto out;
}
- self->colormap = level2->sweep_colors;
- self->radar = gis_viewer_add(self->viewer, GIS_OBJECT(level2), GIS_LEVEL_WORLD, TRUE);
- _load_gui_success(self, level2);
+
+ /* Load the image to a pixbuf */
+ GError *error = NULL;
+ conus->pixbuf = gdk_pixbuf_new_from_file(path, &error);
+ g_free(path);
+ if (!gdk_pixbuf_get_has_alpha(conus->pixbuf)) {
+ GdkPixbuf *tmp = gdk_pixbuf_add_alpha(conus->pixbuf, TRUE, 0xff, 0xff, 0xff);
+ g_object_unref(conus->pixbuf);
+ conus->pixbuf = tmp;
+ }
+
+ /* Map the pixbuf's alpha values */
+ const guchar colormap[][2][4] = {
+ {{0x04, 0xe9, 0xe7}, {0x04, 0xe9, 0xe7, 0x30}},
+ {{0x01, 0x9f, 0xf4}, {0x01, 0x9f, 0xf4, 0x60}},
+ {{0x03, 0x00, 0xf4}, {0x03, 0x00, 0xf4, 0x90}},
+ };
+ guchar *pixels = gdk_pixbuf_get_pixels(conus->pixbuf);
+ gint height = gdk_pixbuf_get_height(conus->pixbuf);
+ gint width = gdk_pixbuf_get_width(conus->pixbuf);
+ for (int i = 0; i < width*height; i++) {
+ for (int j = 0; j < G_N_ELEMENTS(colormap); j++) {
+ if (pixels[i*4+0] > 0xe0 &&
+ pixels[i*4+1] > 0xe0 &&
+ pixels[i*4+2] > 0xe0) {
+ pixels[i*4+3] = 0x00;
+ break;
+ }
+ if (pixels[i*4+0] == colormap[j][0][0] &&
+ pixels[i*4+1] == colormap[j][0][1] &&
+ pixels[i*4+2] == colormap[j][0][2]) {
+ pixels[i*4+0] = colormap[j][1][0];
+ pixels[i*4+1] = colormap[j][1][1];
+ pixels[i*4+2] = colormap[j][1][2];
+ pixels[i*4+3] = colormap[j][1][3];
+ break;
+ }
+ }
+ }
out:
- gdk_threads_leave();
- g_free(file);
- g_free(data->site);
- g_free(data->time);
- g_free(data);
+ g_idle_add(_conus_update_end, conus);
return NULL;
}
-static void _set_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
+
+void _conus_update(RadarConus *conus)
{
- if (!site || !time)
- return;
- //soup_session_abort(self->http->soup);
- //g_mutex_lock(self->load_mutex);
- struct SetRadarData *data = g_new(struct SetRadarData, 1);
- data->self = self;
- data->site = g_strdup(site);
- data->time = g_strdup(time);
- g_thread_create(_set_radar_cb, data, FALSE, NULL);
+ conus->time = gis_viewer_get_time(conus->viewer);
+ g_debug("GisPluginRadar: _conus_update - %d",
+ (gint)conus->time);
+
+ /* Add a progress bar */
+ GtkWidget *progress = gtk_progress_bar_new();
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
+ _gtk_bin_set_child(GTK_BIN(conus->config), progress);
+
+ g_thread_create(_conus_update_thread, conus, FALSE, NULL);
}
-/*************
- * Callbacks *
- *************/
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self)
+RadarConus *radar_conus_new(GtkWidget *pconfig,
+ GisViewer *viewer, GisHttp *http)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- AWeatherLevel2 *level2 = g_object_get_data(G_OBJECT(button), "level2");
- gint type = (gint)g_object_get_data(G_OBJECT(button), "type");
- gint elev = (gint)g_object_get_data(G_OBJECT(button), "elev");
- aweather_level2_set_sweep(level2, type, (float)elev/100);
- self->colormap = level2->sweep_colors;
+ RadarConus *conus = g_new0(RadarConus, 1);
+ conus->viewer = g_object_ref(viewer);
+ conus->http = http;
+ conus->config = gtk_alignment_new(0, 0, 1, 1);
+ conus->tile = gis_tile_new(NULL,
+ 50.406626367301044, 50.406626367301044-0.017971305190311*1600,
+ -127.620375523875420+0.017971305190311*3400, -127.620375523875420);
+ conus->tile->zindex = 1;
+ conus->tile_ref = gis_viewer_add(viewer,
+ GIS_OBJECT(conus->tile), GIS_LEVEL_WORLD, TRUE);
+
+ conus->time_id = g_signal_connect_swapped(viewer, "time-changed",
+ G_CALLBACK(_conus_update), conus);
+ conus->refresh_id = g_signal_connect_swapped(viewer, "refresh",
+ G_CALLBACK(_conus_update), conus);
+
+ gtk_notebook_append_page(GTK_NOTEBOOK(pconfig), conus->config, gtk_label_new("Conus"));
+ _conus_update(conus);
+ return conus;
}
-static void _on_time_changed(GisViewer *viewer, const char *time, gpointer _self)
+void radar_conus_free(RadarConus *conus)
{
- g_debug("GisPluginRadar: _on_time_changed");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- self->cur_time = g_strdup(time);
- _set_radar(self, self->cur_site, self->cur_time);
+ g_signal_handler_disconnect(conus->viewer, conus->time_id);
+ g_signal_handler_disconnect(conus->viewer, conus->refresh_id);
+
+ if (conus->tile->data) {
+ glDeleteTextures(1, conus->tile->data);
+ g_free(conus->tile->data);
+ }
+ gis_viewer_remove(conus->viewer, conus->tile_ref);
+
+ g_object_unref(conus->viewer);
+ g_free(conus);
}
-static void _on_location_changed(GisViewer *viewer,
- gdouble lat, gdouble lon, gdouble elev,
- gpointer _self)
+
+/******************
+ * GisPluginRadar *
+ ******************/
+static void _draw_hud(GisCallback *callback, gpointer _self)
{
- g_debug("GisPluginRadar: _on_location_changed");
+ /* TODO */
GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- gdouble min_dist = EARTH_R / 5;
- city_t *city, *min_city = NULL;
- for (city = cities; city->type; city++) {
- if (city->type != LOCATION_CITY)
- continue;
- gdouble city_loc[3] = {};
- gdouble eye_loc[3] = {lat, lon, elev};
- lle2xyz(city->lat, city->lon, city->elev,
- &city_loc[0], &city_loc[1], &city_loc[2]);
- lle2xyz(lat, lon, elev,
- &eye_loc[0], &eye_loc[1], &eye_loc[2]);
- gdouble dist = distd(city_loc, eye_loc);
- if (dist < min_dist) {
- min_dist = dist;
- min_city = city;
- }
- }
- static city_t *last_city = NULL;
- if (min_city && min_city != last_city){
- self->cur_site = min_city->code;
- _set_radar(self, self->cur_site, self->cur_time);
+ if (!self->colormap)
+ return;
+
+ g_debug("GisPluginRadar: _draw_hud");
+ /* Print the color table */
+ glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
+ glMatrixMode(GL_PROJECTION); glLoadIdentity();
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_ALPHA_TEST);
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ glEnable(GL_COLOR_MATERIAL);
+ glBegin(GL_QUADS);
+ int i;
+ for (i = 0; i < 256; i++) {
+ glColor4ubv(self->colormap->data[i]);
+ glVertex3f(-1.0, (float)((i ) - 256/2)/(256/2), 0.0); // bot left
+ glVertex3f(-1.0, (float)((i+1) - 256/2)/(256/2), 0.0); // top left
+ glVertex3f(-0.9, (float)((i+1) - 256/2)/(256/2), 0.0); // top right
+ glVertex3f(-0.9, (float)((i ) - 256/2)/(256/2), 0.0); // bot right
}
- last_city = min_city;
+ glEnd();
}
-
-/***********
- * Methods *
- ***********/
+/* Methods */
GisPluginRadar *gis_plugin_radar_new(GisViewer *viewer, GisPrefs *prefs)
{
/* TODO: move to constructor if possible */
@@ -321,39 +564,33 @@ GisPluginRadar *gis_plugin_radar_new(GisViewer *viewer, GisPrefs *prefs)
GisPluginRadar *self = g_object_new(GIS_TYPE_PLUGIN_RADAR, NULL);
self->viewer = viewer;
self->prefs = prefs;
- self->time_changed_id = g_signal_connect(viewer, "time-changed",
- G_CALLBACK(_on_time_changed), self);
- self->location_changed_id = g_signal_connect(viewer, "location-changed",
- G_CALLBACK(_on_location_changed), self);
+ /* Load HUD */
+ GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
+ self->hud_ref = gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE);
+
+ /* Load Conus */
+ self->conus = radar_conus_new(self->config, self->viewer, self->conus_http);
+
+ /* Load radar sites */
for (city_t *city = cities; city->type; city++) {
if (city->type != LOCATION_CITY)
continue;
- g_debug("Adding marker for %s %s", city->code, city->label);
- GisMarker *marker = gis_marker_new(city->label);
- gis_point_set_lle(gis_object_center(GIS_OBJECT(marker)),
- city->lat, city->lon, city->elev);
- GIS_OBJECT(marker)->lod = EARTH_R/2;
- gis_viewer_add(self->viewer, GIS_OBJECT(marker), GIS_LEVEL_OVERLAY, FALSE);
+ RadarSite *site = radar_site_new(city, self->config,
+ self->viewer, self->prefs, self->sites_http);
+ g_hash_table_insert(self->sites, city->code, site);
}
- GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
- gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE);
-
return self;
}
static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_self)
{
GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- return self->config_body;
+ return self->config;
}
-
-/****************
- * GObject code *
- ****************/
-/* Plugin init */
+/* GObject code */
static void gis_plugin_radar_plugin_init(GisPluginInterface *iface);
G_DEFINE_TYPE_WITH_CODE(GisPluginRadar, gis_plugin_radar, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE(GIS_TYPE_PLUGIN,
@@ -364,22 +601,23 @@ static void gis_plugin_radar_plugin_init(GisPluginInterface *iface)
/* Add methods to the interface */
iface->get_config = gis_plugin_radar_get_config;
}
-/* Class/Object init */
static void gis_plugin_radar_init(GisPluginRadar *self)
{
g_debug("GisPluginRadar: class_init");
/* Set defaults */
- self->http = gis_http_new("/nexrad/level2/");
- self->config_body = gtk_alignment_new(0, 0, 1, 1);
- //self->load_mutex = g_mutex_new();
- gtk_container_set_border_width(GTK_CONTAINER(self->config_body), 5);
- gtk_container_add(GTK_CONTAINER(self->config_body), gtk_label_new("No radar loaded"));
+ self->sites_http = gis_http_new(G_DIR_SEPARATOR_S "nexrad" G_DIR_SEPARATOR_S "level2" G_DIR_SEPARATOR_S);
+ self->conus_http = gis_http_new(G_DIR_SEPARATOR_S "nexrad" G_DIR_SEPARATOR_S "conus" G_DIR_SEPARATOR_S);
+ self->sites = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, (GDestroyNotify)radar_site_free);
+ self->config = gtk_notebook_new();
+ gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_TOP);
}
static void gis_plugin_radar_dispose(GObject *gobject)
{
g_debug("GisPluginRadar: dispose");
GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
- g_signal_handler_disconnect(self->viewer, self->time_changed_id);
+ gis_viewer_remove(self->viewer, self->hud_ref);
+ radar_conus_free(self->conus);
/* Drop references */
G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject);
}
@@ -388,8 +626,10 @@ static void gis_plugin_radar_finalize(GObject *gobject)
g_debug("GisPluginRadar: finalize");
GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
/* Free data */
- gis_http_free(self->http);
- //g_mutex_free(self->load_mutex);
+ gis_http_free(self->conus_http);
+ gis_http_free(self->sites_http);
+ g_hash_table_destroy(self->sites);
+ gtk_widget_destroy(self->config);
G_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject);
}
@@ -400,4 +640,3 @@ static void gis_plugin_radar_class_init(GisPluginRadarClass *klass)
gobject_class->dispose = gis_plugin_radar_dispose;
gobject_class->finalize = gis_plugin_radar_finalize;
}
-